// server.ts

// Helper function to get MIME type
function getMimeType(filename: string): string {
  switch (filename.split(".").pop()?.toLowerCase()) {
    case "js":
      return "application/javascript";
    case "ts":
      return "application/javascript";
    case "css":
      return "text/css";
    case "html":
      return "text/html";
    case "json":
      return "application/json";
    case "png":
      return "image/png";
    case "jpg":
    case "jpeg":
      return "image/jpeg";
    case "svg":
      return "image/svg+xml";
    case "ico":
      return "image/x-icon";
    default:
      return "text/plain";
  }
}

const server = Bun.serve({
  port: 5173,

  // tls: {
  //   key: Bun.file("./ssl/key.pem"),
  //   cert: Bun.file("./ssl/cert.pem"),
  // },

  async fetch(req) {
    const url = new URL(req.url);
    const pathname = url.pathname;

    // Serve root as index.html
    if (pathname === "/")
      try {
        const file = Bun.file("./index.html");
        return new Response(file, {
          headers: {
            "Content-Type": "text/html",
          },
        });
      } catch (error) {
        return new Response("Index file not found", { status: 404 });
      }

    // Serve other files
    const filename = pathname.startsWith("/") ? pathname.slice(1) : pathname;
    try {
      const file = Bun.file(`./${filename}`);
      const exists = await file.exists();

      if (!exists)
        return new Response(`File not found: ${filename}`, { status: 404 });

      return new Response(file, {
        headers: {
          "Content-Type": getMimeType(filename),
        },
      });
    } catch (error) {
      console.error(`Error serving ${filename}:`, error);
      return new Response("Internal Server Error", { status: 500 });
    }
  },
});

console.log(`🚀 Server running at http://localhost:${server.port}`);
console.log("📋 Available routes:");
console.log("  - / (index.html)");
console.log("  - /sw.js (Service Worker)");
console.log("  - /style.css (Styles)");